/* eslint-disable vue/no-unused-vars */
<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <!-- 搜索与添加区域-->
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUsersList">
            <el-button slot="append" icon="el-icon-search" @click="getUsersList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <!-- 作用域插槽 prop="mg_state"被覆盖-->
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false" @click="setRole(scope.row)"></el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 底部分页区域 -->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
      </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%" @close="addDialogClosed">
      <!-- 内容主体区域 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="userame">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框-->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%" @close="editDialogClosed">
      <!-- 内容主体区域 -->
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    // 分配角色对话框
    <el-dialog
    title="分配角色"
    :visible.sync="setRoleDialogVisible"
    width="50%" @close="setRoleDialogClosed">
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>分配的新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data () {
    // 验证邮箱的校验规则
    var checkEmail = (rule, value, callBack) => {
      const regEmail = /^(\w-*\.*)+@(\w-?)+(\.\w{2,})+$/
      if (regEmail.test(value)) {
        return callBack()
      }
      callBack(new Error('请输入合法的邮箱！'))
    }
    // 验证手机号的验证规则
    var checkMobile = (rule, value, callBack) => {
      const regMobile = /^1[3456789]d{9}$/
      if (regMobile.test(value)) {
        return callBack()
      }
      callBack(new Error('请输入合法的电话号码！'))
    }
    return {
      // 获取用户对象参数
      queryInfo: {
        query: '',
        // 当前页数
        pagenum: 1,
        // 当前每页显示多条数据
        pagesize: 2
      },
      userList: [],
      total: 0,
      // 控制对话框是否显示
      addDialogVisible: false,
      // 添加用户的数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入电话号码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制修改用户对话框是否显示
      editDialogVisible: false,
      // 保存修改用户信息时查询到的信息
      editForm: {},
      // 修改用户的校验规则对象
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入电话号码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制分配角色对话框是否显示
      setRoleDialogVisible: false,
      // 需要分配权限的用户信息
      userInfo: {},
      // 定义所有角色列表
      rolesList: [],
      // 选中的角色Id
      selectedRoleId: ''
    }
  },
  created () {},
  methods: {
    async getUsersList () {
      const { data: res } = this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败！')
      }
      this.userList = res.data.users
      this.total = res.data.total
    },
    // 监听pagesize 改变的事件
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUsersList()
    },
    // 监听页码值改变的函数
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getUsersList()
    },
    // 监听用户状态改变
    async userStateChanged (userInfo) {
      const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败!')
      }
      this.$message.succes('更新用户状态成功！')
    },
    // 监听用户对话框关闭时刻
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) {
          return undefined
        }
        // 发起添加新用户的网络请求
        const { data: res } = this.$http.post('users', this.addForm)
        if (res.meta.sataus !== 201) {
          this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        this.addDialogVisible = false
        this.getUsersList()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog (id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败！')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改用户信息是关闭事件
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    // 提交修改用户信息
    editUserInfo () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) {
          return 0
        }
        // 发起修改用户信息的网络请求
        const { data: res } = await this.$http.put('users/' + this.editForm.id, { email: this.editForm.email, mobile: this.editForm.mobil })
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败！')
        }
        // 关闭修改用户信息对话框
        this.editDialogVisible = false
        // 刷新用户数组
        this.getUsersList()
        // 提示修改信息成功
        this.$message.success('更新用户信息成功！')
      })
    },
    // 根据用户ID删除用户信息
    async removeUserById (id) {
      // 弹框询问用户是否真正删除用户信息
      const confirmResult = await this.$confirm('此操作将永久删除该用户信息, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => {
        return err
      })
      // 若是, 则返回值为 confirm字符串
      // 若不是， 则返回cancel字符串
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除！')
      }
      const { data: res } = this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户信息失败！')
      }
      this.$message.success('删除用户信息成功！')
      this.getUsersList()
    },
    // 分配角色按钮点击事件
    async setRole (userInfo) {
      this.userInfo = userInfo
      // 获取所有角色列表
      const { data: res } = await this.$http.get('roles')

      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    // 点击按钮，分配角色
    async saveRoleInfo () {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectedRoleId })
      if (res.data.status !== 200) {
        this.$message.error('更新用户角色失败！')
      }

      this.$message.success('更新用户角色成功！')
      this.getUsersList()
      this.setRoleDialogVisible = false
    },
    // 重置分配角色对话框
    setRoleDialogClosed () {
      this.selectedRoleId = ''
      this.userInfo = []
    }
  }
}
</script>

<style lang="less" scoped>

</style>
